Hexadecanoate

Part of speech: noun

Definitions

1. A salt or ester of hexadecanoic acid commonly known as palmitic acid, used in chemical and biological contexts to describe fatty acid derivatives
2. A chemical compound formed by the reaction of hexadecanoic acid with an alcohol or base, resulting in substances important in lipid chemistry and biochemistry
3. Substances classified as hexadecanoate consist of molecules derived from hexadecanoic acid through formation of esters or salts, playing roles in metabolism and industrial applications

Etymology: Hexadecanoate is a chemical term built from systematic naming rules, not an old word with a folk history. Its first part comes from Greek: "hex" means six and "deca" means ten, so "hexadeca" means sixteen. The sixteen refers to the number of carbon atoms in the chain, which is a count the name spells out directly. The ending "-ano" marks a saturated carbon chain, and "-oate" is the suffix used for the anion, or salt, of a carboxylic acid, so the whole word names the salt of hexadecanoic acid. Hexadecanoic acid is the chemists' systematic name for palmitic acid, a fatty acid common in palm oil and many animal fats. Palmitic acid takes its everyday name from palm oil, so the two names come from different traditions: one from the source of the substance, the other from its structure. Chemists in the late nineteenth and early twentieth centuries standardized this kind of naming, and that is when such words entered scientific use in English.

Synonyms: palmitate